用于记录服务器停电导致,mysql启动失败后,如何备份数据,重新安装mysql,主要分为数据备份,mysql重新安装. 1.mysql无法启动时,进行数据备份. 执行:systemctl start mysqld,启动失败. 错误提示:Job for mysqld.service failed because start of the service was attempted too often. See "systemctl status mysqld.service" and &…
笔者在ubuntu下用 apt install mysql-server类似的命令安装mysql, 安装了最新版的mysql5.7,覆盖了操作系统内置的数据库mysql系统库. 最初启动mysql出错信息如下 service mysql start Job for mysql.service failed because the control process exited with error code. See "systemctl status mysql.service" an…